20022101222 has 4 divisors (see below), whose sum is σ = 30033151836. Its totient is φ = 10011050610.

The previous prime is 20022101221. The next prime is 20022101233. The reversal of 20022101222 is 22210122002.

It is a semiprime because it is the product of two primes.

It is a junction number, because it is equal to n+sod(n) for n = 20022101197 and 20022101206.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20022101221) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5005525304 + ... + 5005525307.

It is an arithmetic number, because the mean of its divisors is an integer number (7508287959).

Almost surely, 2^20022101222 is an apocalyptic number.

20022101222 is a deficient number, since it is larger than the sum of its proper divisors (10011050614).

20022101222 is a wasteful number, since it uses less digits than its factorization.

20022101222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10011050613.

The product of its (nonzero) digits is 64, while the sum is 14.

Adding to 20022101222 its reverse (22210122002), we get a palindrome (42232223224).

The spelling of 20022101222 in words is "twenty billion, twenty-two million, one hundred one thousand, two hundred twenty-two".